First time speaker builder, but have done subs in the past. In the process of planning and have all parts needed, less wood, but that's easy. The concept is to achieve extreme dynamics from 60 Hz up, as I've got ample headroom below 60 already.

Crossover, got 12 channels from a pair of miniDSP 4x10 HD's available. Time aligning drivers will be done digitally.

The idea is using at least two 2226 per speaker, they will be sealed and EQ'ed a little bit to give good extension down to about 60 Hz. Furthermore, there will be at least one 2123. So: 2404 or 2405 + 2446 in 2360A + 2123 + 2226.

Thinking a lot about how to incorporate 2404 (or 2405) together with 2360A. I can put the uhf driver inside the cabinet for the mids (separate enclosure inside the big cabinet) and woofers or mount it inside or outside the horn.

The 2360A's has a pair of holes and I could build a jig there to place the UHF driver in, either inside or outside the chassis. Planned XO is approx 6-10khz. Not quite sure yet. Kind of like this.

Inside:
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Outside:
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My take on late night light photoshopping random pictures from the web, lol. Is this a niet, niet? Why?

Two or more 2226's will yield very high sensitivity and a single 2123 will be the limiting factor. Could I use a pair in each or would that create all sorts of problems? What if I mount them super close like I see some PA-systems does with multiples? Can they cover the same range without issues? I was hoping I could have them go to 1.3-1.6kHz approx before 2446 takes the stage.

Front loaded horn for the one or two 2123 may be an option, but can't model with hornresp, so haven't looked into it much.

Any input? Please be gentle.